A SHORT NOTE ON ATOMS AND COATOMS IN SUBGROUP LATTICES OF GROUPS

نویسندگانحسین خاص-بهنام بازیگران-سید علیرضا اشرفی قمرودی
تاریخ انتشار۲۰۱۵-۱-۰۱

چکیده مقاله

In this paper we give an elementary argument about the atoms and coatoms of the lattice of all subgroups of a group. It is proved that an abelian group ofnite exponent is strongly coatomic